每次正常胎心电子监测正确的是:() ["10min","20min","30min","50min","1h"]
“将子无怨,秋以为期”中的“将”是什么意思?
()诉求表达和争端解决渠道不畅,诸多现实利益诉求和争端竞相借助网络表达,使()承担着相当繁重的回应现实的治理任务。 ["网络空间,现实空间","网络空间,网络空间","现实空间,现实空间","现实空间,网络空间"]
Which form of DSL technology is typically used as a replacement for T1 lines?() ["VDSL","HDSL","ADSL","SDSL"]
下列关于睡眠觉醒周期说法正确的是() ["随着睡眠的加深,慢波睡眠的3期和4期逐渐减少,但是快波睡眠逐渐增多","正常成年人夜间睡眠刚上来就是慢波睡眠状态,然后迅速由第1期进入第4期并持续一段时间,然后进入第一次快波睡眠","每个睡眠周期的慢波睡眠和快波睡眠其实都是前一个周期的简单重复","典型的夜晚睡眠时间分配是:50%为慢波2期,25%为快波睡眠,10%为慢波3期,10%为慢波4期,5%为慢波1期","当睡眠被剥夺后,增加的睡眠主要集中在慢波睡眠的4期,随后是快波睡眠,而当睡眠较平时延长时,增加的睡眠主要是快波睡眠"]
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